725261750 has 16 divisors (see below), whose sum is σ = 1357690464. Its totient is φ = 290104600.

The previous prime is 725261717. The next prime is 725261773. The reversal of 725261750 is 57162527.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 725261750.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1450274 + ... + 1450773.

It is an arithmetic number, because the mean of its divisors is an integer number (84855654).

Almost surely, 2^725261750 is an apocalyptic number.

725261750 is a deficient number, since it is larger than the sum of its proper divisors (632428714).

725261750 is a wasteful number, since it uses less digits than its factorization.

725261750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2901064 (or 2901054 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 725261750 is about 26930.6841725196. The cubic root of 725261750 is about 898.4589884463.

The spelling of 725261750 in words is "seven hundred twenty-five million, two hundred sixty-one thousand, seven hundred fifty".